Planned Service Upgrade: On Wednesday, 03/04/2026 around 10:00 PM EST, AHN will undergo a scheduled upgrade. During this time, email messaging performance may be impacted for approximately one hour. We appreciate your patience as we enhance our services.
Contact Us
Contact Us
We would love to hear from you. Please select the appropriate location and give us a call.

Office Locations:
North Office
750 West Lake Cook Road
Suite 190
Buffalo Grove, IL 60089
Phone: 847-459-1222
Fax: 847-459-1240
South Office
456B North Weber Road
Romeoville, IL 60446
Phone: 815-886-9070
Fax: 815-886-9480

Office Hours:
Foster Premier is open from 9:00 am to 5:00 pm, Monday through Friday.

Calling For An After Hour Emergency?
Foster Premier’s After Hours Emergency Answering Service number is 630-462-3144.
 
 

This site is provided by Foster Premier Inc.